Home / 771,200.28-1,155,293.82-531,271.80

Finding the Fourth Proportional to 771,200.28, 1,155,293.82 and 531,271.80

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Solution

The fourth proportional to 771,200.28, 1,155,293.82 and 531,271.80 is: 795,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,200.28 : 1,155,293.82 = 531,271.80 : x
  2. Step 2: Convert to fraction form
    771,200.28/1,155,293.82 = 531,271.80/x
  3. Step 3: Cross multiply
    771,200.28x = 1,155,293.82 × 531,271.80
  4. Step 4: Simplify right side
    771,200.28x = 613,775,027,280.28
  5. Step 5: Solve for x
    x = 613,775,027,280.28/771,200.28
  6. Step 6: Final answer
    x = 795,869.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.